Improved stomach-pump



".FETERS. PHDTO-LITHDGRAPHER. WASHINGTON. D. C.

goed ..efmetai etto.

JAMES MqYoUNGBLooD, or Sir.l LOUIS, MISSOURI, ASSIGNOR FOR i ONE-HALFTO A. J. P. GARESGHE.

Letters Patent No. 92,769, dated July' 20, 1869.

' IMPROVED STQMACH-PUMP.

T119 Schule teferred'tqf iu these Letters rPatent and making p a offthe same.

To all whom it ma/y concern Beit known that I, JAM-ES M. YoUNeBLooD, of St. Louis, in the county of St. Louis, and State of Missouri, have invented a new and useful Improvement on Pumps for Drawing Fluids from the Stomach, and for other purposes; and I do hereby declare that the following is a v full, clear, and exact description thereof, reference being had to the accompanying drawings, making a part ofthis'speeication, in which- Figure l is a perspective view of the improved dek,vice applied to a stomach-pump.

Figure 2 is a perspective view of a vaginal syringe having the improvement applied to it.

Figure 3 is an enlarged diametrical section through the device.

Figure 4 is a cross-section through the device, taken at the point indicated by red line x x, iig. .3.

Similar letters of reference indicate corresponding partsin theseveral iigum-s.`

Valves which have been heretofore used in stomachpumps, syringes, and other like instruments, are very liable to get out of order from a variety of causes, and it is because of such liability of derangement that they are particularly objectionable for linstruments which .are designed for use in the medical profession.

' To remedy these objections to valves hitherto coustructed for the above-named purposes, and for other purposes, the nature of my invention consists in so constructing a laterally-perforated tube, which is adaptedy for being attached to an exhausting and forcing-pump and applying such. tube within a laterally-perforated case, having exhausting and forcing-pipes attached to it, that by simply giving the inner tube oscillatory motion about its axis duiing the operation of the pumppiston, fluids maybe drawn through one pipe into the body of the pump, and then forced therefrom through thc opposite pipe, as will be hereinaiter explained.`

To enable others skilled in the art to understand my invention, I will describe its construction and operation.

In the accompanying drawingsl A represents a common form of exhausting and forcing-pump, which is provided with a solid or unperi'orated piston, for drawing fluids into the. body of thepump and forcing them out through the same orifice through which they entered.

y This pump lmay be made of hard' rubber, glass, metal, or other suitable material, and it may be constructed in any well-knownmanner.

B represents a tube, which is closed at one end, and provided with a male Screw on its opposite end, for the purpose of securing it tothe end of the pump-cylinder A, as shown in figs. 1 and 2.

Near the closed end of this tube B, a hole, a, is

made' into it, through which the fluid is drawn into the body of the pump, and through which the uid escapes when forced from the body of the pump.

The tube B is enclosed by another tube or socket, O, which isi prevented from receiving end-play by means of a pin, c, which is screwed into the tube B, near its upper end, and which passes through an oblong Slot, 1,'made through the outer tubeC, at right angles to its axis, as shown in the drawings.

The slotd allows the? outer 4vtube to be oscillated about its axis, and to make one-half of a revolution; and the pin c serves as a stop for preventing said tube from being turned more than half around.

Near the closed end of the outer tube or socket C,

two holes, c e', are made through it, diametrically opposite each other', so that they can be made to-coincide with the hole a, which is in the interior tube, when this latter is oscillated. Surrounding the said holes e e', outside of their tube C, are short pipes g g', which are screw-tapped'for receiving -upon them the exhausting and forcing-pipes D E, las shown in the drawings.

The several parts which I have above described may be constructed of hardened rubber, metal, or other suitablematerial.

The tube B shouldbe so nicely fitted into the socket v or tube 0 as to make au air and water-tight joint, and so that the tube-B will oscillate freely.

The mode of operation of the instrument is as'follows: f

' The pipevDbeing introduced ,into a iiuid, and the orifice a brought opposite the orifice c, this will form a communication between said pipe and the bodyA of the pump. Now, by drawing back the pump-piston,'..

duid will followand ll the body of the pump. The pump is then turned half aroundabout its axis, which .will carry with it the inner tube B, andbliug the oricea opposite the orifice c', thereby cutting off all communication with the pipe D, and opening comlmunicationvwith the 'discharge-pipe E. Thus, it will be seen that by simply oscillating the tube B, (tube G remaining stationary,) communication can be made between the interior of the pump-cylinder and either one of A the pipes D E at pleasure.`

Having described my invention, What I claim as new, and desire to secure by Let- The pump A, its perforated tube B, and the covering-tube O, with its attaching-branches g g', combined substantially as and for the purpose set forth.

JAMES M. YOUNGBLOOD.

Witnesses:

EDW. T. FARIsH, MATTHEW OREILLY; 

